Regulating device



Oct. 27, 1931. ASCH 1,829,254

I REGULATING DEVICE Filed Apria 5. 1927 INVENTOR ATTORNEYS Patented Oct. 27, 1931 Y UNITED STATES PATENT; OFFICE ABRAHAM'B. ASCH, OF NEW YORK, N. Y.

REGULATING DEVICE Application filed April 5, 1927. Serial No. 181,143.

This invention relates to improvements in al condensefi 13; and the terminals 7, l2, and regulating devices; especially regulating de- 9 are bridged by suitable fixed resistances 14. vices for electrical power circuits. At 15 are condensers bridging the conductor An object of my invention is to provide an 8 and the two opposite ends of the secondary automatic regulating-device, electrical in its coil 3.

nature and function, for the circuit of appa- This general type of circuit is quite well ratus by which a radio set can be supplied known and when a radio receiving set is con- With current from the conductors of a light nected thereto, satisfactory results can be ob or power line, in place of batteries; so that t ained. The amplifier of the set is attached lo the best operating condition for such appato the terminals 7 and 9, and the detector to ratus can readily be maintained in practice. one of the intermediate terminals 12 and the Other advantages of the invention will be terminal 9 in a manner familiar to those made apparent in the following description, skilled in this art. and the novel features be pointed out in the My invention resides principally in the in 15 claim. But this disclosure is illustrative elusion of the tube 11. Thecurrent in the only, and changes within the scope of the inlines =5 and 8 tends to fluctuate to some exvention may be made to the full extent content, but the coils 6 and the condensers smooth sistent with the meanings of the terms in it out and render it uniform, and the tube which the appended claim is expressed. 11 serves a number of useful purposes. The

20 On the drawing the figure shows a concharacteristics of the tube are such that, when struction in accordance with my invention. it once breaks down and permits current to The numeral 1 indicates the primary windflow through it, the voltage at its terminals ing of a transformer of alternating current, will remain substantially constant throughwith terminalsQ for connection with an ordiut a wide range of input voltages in the filter nary lighting circuit, for example. To the circuit, and-currents drawn therefrom at the secondary winding 3 of this transformer is output terminals 7. 9 and 12. Thus the tube connected a suitable rectifier 4. attached to 11 t a a filt d o rat ith th the opposite terminals thereof; and to t i condensers, it maintains substantiallv conrectifier I unite One line 5 0f {1 Smoothing stant voltage supplied to the set through the and fil ering cir it. In h n terminals mentioned: both for varying loads t 5 re Ch e ils 6 the like pp i and different line voltages, and it reduces the in series. and the conductor 5 is attached to a. i k f b ki d th Condensers b t mi l Thc pp Side Of the filtcrit and the output terminals of the circuit,

ing circuit is shown at 8, which represents :1 Since id condpngers are t bj t d d :15 conductor joining the midpoint of the sect th presence f th t b t thhiahkroltso ondary 3 of the transformer toa terminal ages th t, may Occur h l d th ACIOSS the lines 5 j f I Connect an electllapparatus. The tube thus automatically govcal condenser or similar appl ance 10 erns the operation of the circuit, and brin s tween the rectifier 4 and the first coil 6; and b t, th b t ki diti b u a similar condenser across the two conduc- Th t b 11 may f Course b d ith any tons between h second @011 6 and terminal type ofa A or B eliminator circuit, or battery 7. Between these coils I connect across the substitute a 'maratus for a radio set; or any conductors 5 and 8 a gas tube 1]. Between other circuit, ivher i th benefit aff rded by the terminals 7 and 9 are intermediate termithe tube are desired.

4 nals 12, united to the line8thr0ugh addition- Having described my invention, what 1 March, 1927.

ABRAHAM B. ASCH. 

